obama smoke on spoke on monday. chuck hagel had no doubts. >> any event with multiple explosive devices as this appears to be is clearly an act of terror and will be approached as an act of terror. >> meanwhile, house speaker john boehner says calling it terrorism doesn't really explain it? >> we can describe it a lot of different ways, but it was a terrorist attack of some sort. now, again, until we know who or why, i don't think we can further define it. >> president obama will go to boston on thursday to attend an interfaith service for victims of monday's attack. no word yet on whether he will speak at the gathering. bret? >> bret: wendell goler live on the north lawn. thank you. who do you think will eventually be found to have been behind these bombings? let me know on twitter. follow me at bret baier. still ahead, we will go live to a boston hospital to get an update on the injured there. when we return, almost everyone wants more security but what are you willing to give up to get it? [ female announcer ] re